Protestants comprise less than 1% of the population of Qatar. The constitution provides for religious liberty. Proselytizing by non-Muslims is prohibited by law. No foreign missionary groups operate openly in the country. Religious groups must register with the Government for legal recognition. Christians are subject to the Sharia. Christian religious literature in English is available in bookstores. In 2013 the Qatar Anglican Church of the Epiphany opened, which also accommodates several Evangelical, Pentecostal and Protestant congregations.